From fe796d4040788ace1291557ff6a18b3ce6c1a37d Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Fri, 31 Jan 2020 09:58:03 +0100
Subject: [PATCH] Remove useless pass-by-reference

---
 plugins/managesieve/lib/Roundcube/rcube_sieve.php | 2 +-
 program/lib/Roundcube/rcube_imap.php              | 2 +-
 program/lib/Roundcube/rcube_imap_generic.php      | 2 +-
 program/lib/Roundcube/rcube_smtp.php              | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/plugins/managesieve/lib/Roundcube/rcube_sieve.php b/plugins/managesieve/lib/Roundcube/rcube_sieve.php
index 2ee76615a..fc509c01b 100644
--- a/plugins/managesieve/lib/Roundcube/rcube_sieve.php
+++ b/plugins/managesieve/lib/Roundcube/rcube_sieve.php
@@ -476,7 +476,7 @@ class rcube_sieve
     /**
      * This is our own debug handler for connection
      */
-    public function debug_handler(&$sieve, $message)
+    public function debug_handler($sieve, $message)
     {
         rcube::write_log('sieve', preg_replace('/\r\n$/', '', $message));
     }
diff --git a/program/lib/Roundcube/rcube_imap.php b/program/lib/Roundcube/rcube_imap.php
index ee2d49d26..970231523 100644
--- a/program/lib/Roundcube/rcube_imap.php
+++ b/program/lib/Roundcube/rcube_imap.php
@@ -4564,7 +4564,7 @@ class rcube_imap extends rcube_storage
     /**
      * This is our own debug handler for the IMAP connection
      */
-    public function debug_handler(&$imap, $message)
+    public function debug_handler($imap, $message)
     {
         rcube::write_log('imap', $message);
     }
diff --git a/program/lib/Roundcube/rcube_imap_generic.php b/program/lib/Roundcube/rcube_imap_generic.php
index 507fc09b9..37e9ca9bc 100644
--- a/program/lib/Roundcube/rcube_imap_generic.php
+++ b/program/lib/Roundcube/rcube_imap_generic.php
@@ -4093,7 +4093,7 @@ class rcube_imap_generic
         }
 
         if ($this->debug_handler) {
-            call_user_func_array($this->debug_handler, array(&$this, $message));
+            call_user_func_array($this->debug_handler, array($this, $message));
         }
         else {
             echo "DEBUG: $message\n";
diff --git a/program/lib/Roundcube/rcube_smtp.php b/program/lib/Roundcube/rcube_smtp.php
index f9b28112b..d78ea4a2a 100644
--- a/program/lib/Roundcube/rcube_smtp.php
+++ b/program/lib/Roundcube/rcube_smtp.php
@@ -377,7 +377,7 @@ class rcube_smtp
     /**
      * This is our own debug handler for the SMTP connection
      */
-    public function debug_handler(&$smtp, $message)
+    public function debug_handler($smtp, $message)
     {
         // catch AUTH commands and set anonymization flag for subsequent sends
         if (preg_match('/^Send: AUTH ([A-Z]+)/', $message, $m)) {